Search Results - "Tervonen, O."

Spectral entropy indicates electrophysiological and hemodynamic changes in drug-resistant epilepsy - A multimodal MREG study by Helakari, H, Kananen, J, Huotari, N, Raitamaa, L, Tuovinen, T, Borchardt, V, Rasila, A, Raatikainen, V, Starck, T, Hautaniemi, T, Myllylä, T, Tervonen, O, Rytky, S, Keinänen, T, Korhonen, V, Kiviniemi, V, Ansakorpi, H

“…Epilepsy causes measurable irregularity over a range of brain signal frequencies, as well as autonomic nervous system functions that modulate heart and…”
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Adverse events due to unnecessary radiation exposure in medical imaging reported in Finland by Tarkiainen, T., Haapea, M., Liukkonen, E., Tervonen, O., Turpeinen, M., Niinimäki, J.

“…Adverse events in radiology are quite rare, but they do occur. Radiation safety regulations and the law obligate organizations to report certain adverse…”
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Patient information regarding medical radiation exposure is inadequate: Patients' experience in a university hospital by Ukkola, L, Oikarinen, H, Henner, A, Haapea, M, Tervonen, O

“…Abstract Introduction It is suspected that little or no information is provided to patients regarding radiological examinations. The purpose was to evaluate…”
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Association between adolescent sport activities and lumbar disk degeneration among young adults by Takatalo, J., Karppinen, J., Näyhä, S., Taimela, S., Niinimäki, J., Blanco Sequeiros, R., Tammelin, T., Auvinen, J., Tervonen, O.

“…The relationship between different sport activities and lumbar intervertebral disk degeneration (DD) is largely unknown. We evaluated whether adolescent…”
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Justification of CT examinations in young adults and children can be improved by education, guideline implementation and increased MRI capacity by Tahvonen, P, Oikarinen, H, Pääkkö, E, Karttunen, A, Blanco Sequeiros, R, Tervonen, O

“…To determine whether the justification of CT examinations performed on young patients can be improved by various interventions and whether these have an effect…”
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Topographical variation of T2 relaxation time in the young adult knee cartilage at 1.5 T by Hannila, I, Susanna Räinä, S, Tervonen, O, Ojala, R, Nieminen, M.T

“…Summary Objective To assess the normal topographical variation of T2 relaxation time of articular cartilage in different compartments of the knee joint and at…”
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Comparison between DICOM-calibrated and uncalibrated consumer grade and 6-MP displays under different lighting conditions in panoramic radiography by Kallio-Pulkkinen, S, Haapea, M, Liukkonen, E, Huumonen, S, Tervonen, O, Nieminen, M T

“…To compare observer performance in the detection of anatomical structures and pathology in panoramic radiographs using consumer grade with and without digital…”
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Periradicular infiltration for sciatica: A randomized controlled trial by KARPPINEN, Jaro, MALMIVAARA, Antti, KURUNLAHTI, Mauno, KYLLÖNEN, Eero, PIENIMÄKI, Tuomo, NIEMINEN, Pentti, OHINMAA, Arto, TERVONEN, Osmo, VANHARANTA, Heikki

“…A randomized, double-blind trial was conducted. To test the efficacy of periradicular corticosteroid injection for sciatica. The efficacy of epidural…”
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Non-invasive semi-quantitative and quantitative ultrasonography findings in knee osteoarthritis: preliminary study by Podlipská, J, Koski, J.M, Liukkonen, E, Tervonen, O, Arokoski, J, Saarakkala, S

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Diagnostic performance of semi-quantitative knee ultrasonography – Comparison with magnetic resonance imaging osteoarthritis knee score (MOAKS): Data from the Oulu osteoarthritis study by Podlipská, J, Guermazi, A, Liukkonen, E, Lammentausta, E, Niinimäki, J, Nieminen, M.T, Tervonen, O, Koski, J.M, Saarakkala, S

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Patellar cartilage lesions: comparison of magnetic resonance imaging and T2 relaxation-time mapping by Hannila, I, Nieminen, M T, Rauvala, E, Tervonen, O, Ojala, R

“…To evaluate the detection and the size of focal patellar cartilage lesions in T2 mapping as compared to standard clinical magnetic resonance imaging (MRI) at…”
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Chronic hydrocephalus after neurosurgical and endovascular treatment of ruptured intracranial aneurysms by Jartti, P, Karttunen, A, Isokangas, J-M, Jartti, A, Koskelainen, T, Tervonen, O

“…Chronic hydrocephalus is a common sequela of subarachnoid hemorrhage (SAH). The technical procedure used to treat intracranial aneurysms, whether neurosurgical…”
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MRI-guided abdominal biopsy in a 0.23-T open-configuration MRI system by Kariniemi, J, Blanco Sequeiros, R, Ojala, R, Tervonen, O

“…The purpose of this study was to test the hypothesis that when ultrasound (US) guidance is not feasible, abdominal biopsies can be performed safely and…”
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Cost comparison of low-field (0.23 T) MRI-guided laser ablation and surgery in the treatment of osteoid osteoma by Ronkainen, J, Blanco Sequeiros, R, Tervonen, O

“…The purpose of this study was to analyze the costs of magnetic resonance imaging (MRI)-guided laser ablation and to compare them with the costs of surgery in…”
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Dual-energy digital radiography in the assessment of bone mechanical properties by Toljamo, P S, Lammentausta, E, Pulkkinen, P, Tervonen, O, Jämsä, T, Nieminen, M T

“…At present, bone fragility and fracture risk are estimated with bone mineral density (BMD), measured by dual-energy x-ray absorptiometry (DXA). It is known…”
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Correlation of diffusion in lumbar intervertebral disks with occlusion of lumbar arteries: a study in adult volunteers by Kurunlahti, M, Kerttula, L, Jauhiainen, J, Karppinen, J, Tervonen, O

“…To evaluate the correlation of the diffusion values in lumbar intervertebral disks with lumbar artery status and the degree of disk degeneration. Sagittal…”
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Topographical variation of T2 relaxation time in the young adult knee cartilage at 1.5T by Hannila, I., Susanna Räinä, S., Tervonen, O., Ojala, R., Nieminen, M.T.

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Cost comparison analysis of low-field (0.23 T) MRI- and CT-guided bone biopsies by Alanen, J, Keski-Nisula, L, Blanco-Sequeiros, R, Tervonen, O

“…The aim of this study was to analyze and compare the costs of low-field (0.23 T) MRI- and CT-guided bone biopsies. The cost comparison consisted of 18…”
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MR-guided interventional procedures: a review by Sequeiros, R Blanco, Ojala, R, Kariniemi, J, Perälä, J, Niinimäki, J, Reinikainen, H, Tervonen, O

“…Magnetic resonance imaging (MRI) has emerged as a potential guidance tool for a variety of procedures. Diagnostic and therapeutic procedures using either open…”
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Association of lumbar arterial stenosis with low back symptoms: a cross-sectional study using two-dimensional time-of-flight magnetic resonance angiography by Korkiakoski, A, Niinimäki, J, Karppinen, J, Korpelainen, R, Haapea, M, Natri, A, Tervonen, O

“…Recent studies indicate that diminished blood flow may cause low back symptoms and intervertebral disc degeneration. To explore the association between lumbar…”
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